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Specifications

Sensidyne Tube 237S — Specifications
Measuring range10-120 ppm 5-60 ppm
Sampling time1.5 minutes/1 pump stroke
Detectable limit1 ppm (200mr)
Shelf life2 years
Operating temperature0 – 40 °C
Colour changeYellow → Pale blue
Reaction principleChromium oxide is reduced